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// how to find the certificate was not easy. finally I found it using Mozilla Firefox.
|
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// opened one of the bitmaps, e.g. https://raw.githubusercontent.com/ZinggJM/GxEPD2/master/extras/bitmaps/logo200x200.bmp
|
||||
// clicked the lock symbol, Connection secure clicked >, show connection details, clicked More Information, clicked View Certificate, clicked Download PEM (cert),
|
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// Opened the .pem file and copied the pem into R"CERT(...)CERT"; strings.
|
||||
// for https://raw.githubusercontent.com the pem works on ESP8266 and ESP32, if time is set from ntp.
|
||||
// but using a root certificate would preferred, as its validity may be longer. But this failed now.
|
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|
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const char github_io_pem [] PROGMEM = R"CERT(
|
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-----BEGIN CERTIFICATE-----
|
||||
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
|
||||
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
|
||||
MjAeFw0yMTAzMzAwMDAwMDBaFw0zMTAzMjkyMzU5NTlaMFkxCzAJBgNVBAYTAlVT
|
||||
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxMzAxBgNVBAMTKkRpZ2lDZXJ0IEdsb2Jh
|
||||
bCBHMiBUTFMgUlNBIFNIQTI1NiAyMDIwIENBMTCCASIwDQYJKoZIhvcNAQEBBQAD
|
||||
ggEPADCCAQoCggEBAMz3EGJPprtjb+2QUlbFbSd7ehJWivH0+dbn4Y+9lavyYEEV
|
||||
cNsSAPonCrVXOFt9slGTcZUOakGUWzUb+nv6u8W+JDD+Vu/E832X4xT1FE3LpxDy
|
||||
FuqrIvAxIhFhaZAmunjZlx/jfWardUSVc8is/+9dCopZQ+GssjoP80j812s3wWPc
|
||||
3kbW20X+fSP9kOhRBx5Ro1/tSUZUfyyIxfQTnJcVPAPooTncaQwywa8WV0yUR0J8
|
||||
osicfebUTVSvQpmowQTCd5zWSOTOEeAqgJnwQ3DPP3Zr0UxJqyRewg2C/Uaoq2yT
|
||||
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|
||||
EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFHSFgMBmx9833s+9KTeqAx2+7c0XMB8G
|
||||
A1UdIwQYMBaAFE4iVCAYlebjbuYP+vq5Eu0GF485MA4GA1UdDwEB/wQEAwIBhjAd
|
||||
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdgYIKwYBBQUHAQEEajBoMCQG
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
ATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgGBmeBDAECAzANBgkqhkiG
|
||||
9w0BAQsFAAOCAQEAkPFwyyiXaZd8dP3A+iZ7U6utzWX9upwGnIrXWkOH7U1MVl+t
|
||||
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|
||||
slme5LnQ89/nD/7d+MS5EHKBCQRfz5eeLjJ1js+aWNJXMX43AYGyZm0pGrFmCW3R
|
||||
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
|
||||
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
|
||||
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
|
||||
-----END CERTIFICATE-----
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)CERT";
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// 12:04.2024: the following no longer works, needs further investigation
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// **********************************************************************
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|
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// http://cacerts.digicert.com/DigiCertTLSRSASHA2562020CA1-1.crt
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// CN: DigiCert TLS RSA SHA256 2020 CA1 => name: DigiCert_TLS_RSA_SHA256_2020_CA1
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// not valid before: 2021-04-14 00:00:00
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// not valid after: 2031-04-13 23:59:59
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const char cert_DigiCert_TLS_RSA_SHA256_2020_CA1 [] PROGMEM = R"CERT(
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIEvjCCA6agAwIBAgIQBtjZBNVYQ0b2ii+nVCJ+xDANBgkqhkiG9w0BAQsFADBh
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
|
||||
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
bG9iYWxSb290Q0EuY3JsMD0GA1UdIAQ2MDQwCwYJYIZIAYb9bAIBMAcGBWeBDAEB
|
||||
MAgGBmeBDAECATAIBgZngQwBAgIwCAYGZ4EMAQIDMA0GCSqGSIb3DQEBCwUAA4IB
|
||||
AQCAMs5eC91uWg0Kr+HWhMvAjvqFcO3aXbMM9yt1QP6FCvrzMXi3cEsaiVi6gL3z
|
||||
ax3pfs8LulicWdSQ0/1s/dCYbbdxglvPbQtaCdB73sRD2Cqk3p5BJl+7j5nL3a7h
|
||||
qG+fh/50tx8bIKuxT8b1Z11dmzzp/2n3YWzW2fP9NsarA4h20ksudYbj/NhVfSbC
|
||||
EXffPgK2fPOre3qGNm+499iTcc+G33Mw+nur7SpZyEKEOxEXGlLzyQ4UfaJbcme6
|
||||
ce1XR2bFuAJKZTRei9AqPCCcUZlM51Ke92sRKw2Sfh3oius2FkOH6ipjv3U/697E
|
||||
A7sKPPcw7+uvTPyLNhBzPvOk
|
||||
-----END CERTIFICATE-----
|
||||
)CERT";
|
||||
|
||||
// how to find the certificate was not easy. finally I found it using Mozilla Firefox.
|
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// opened one of the bitmaps, e.g. https://raw.githubusercontent.com/ZinggJM/GxEPD2/master/extras/bitmaps/logo200x200.bmp
|
||||
// clicked the lock symbol, Connection secure clicked >, show connection details, clicked More Information, clicked View Certificate, clicked Download PEM (chain),
|
||||
// Opened the .pem file and copied the pems into R"CERT(...)CERT"; strings.
|
||||
// for https://raw.githubusercontent.com all three pems work on ESP8266 and ESP32, if time is set from ntp.
|
||||
// but using a root certificate is preferred, as its validity may be longer.
|
||||
|
||||
// https://raw.githubusercontent.com
|
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// issued by DigiCert Inc : DigiCert TLS RSA SHA256 2020 CA1
|
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// not valid before: Fri, 15 Mar 2024 00:00:00 GMT
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// not valid after: Fri, 14 Mar 2025 23:59:59 GMT
|
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const char github_io_chain_pem_first [] PROGMEM = R"CERT(
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIHOTCCBiGgAwIBAgIQBj1JF0BNOeUTyz/uzRsuGzANBgkqhkiG9w0BAQsFADBZ
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
|
||||
aWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjQw
|
||||
MzE1MDAwMDAwWhcNMjUwMzE0MjM1OTU5WjBnMQswCQYDVQQGEwJVUzETMBEGA1UE
|
||||
CBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzEVMBMGA1UEChMM
|
||||
R2l0SHViLCBJbmMuMRQwEgYDVQQDDAsqLmdpdGh1Yi5pbzCCASIwDQYJKoZIhvcN
|
||||
AQEBBQADggEPADCCAQoCggEBAK0rFKU6TEGvuLCY3ZOuXlG+3jerD6EP1gc1qe35
|
||||
g68FqyGuVPOUddYNZiymjYMZxywoNp3qxlbFFBTf9etsayavT+uW+2UMjqCotAdK
|
||||
KicBEspuExoACFuNgTi7sSUT7A55+k4/+5O+VtpaxQ5dmQk7HxcqvMYx5owBU+fB
|
||||
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|
||||
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|
||||
Qhnu21HIop9rSucxxnZbe9AeHz2LERpUTf3rjgOMg9PB1RUCAwEAAaOCA+0wggPp
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
mtvjx5bsd5lqAflp/eqk4+JYpnYcKWrZfM/vMdxPQTeh/VQWewY/hYn6X/V1s2JI
|
||||
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|
||||
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|
||||
dW5qVOc3BlhtITW53ASyhvKC7HArhj7LwQH8C/dRgn1agIHP9vVJ1NaZnPXhK98T
|
||||
ohv++OO0E/F/bVGNWVnLBQ4v5PjQzRQUTGvM2mU=
|
||||
-----END CERTIFICATE-----
|
||||
)CERT";
|
||||
const char github_io_chain_pem_second [] PROGMEM = R"CERT(
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
|
||||
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
|
||||
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
|
||||
-----END CERTIFICATE-----
|
||||
)CERT";
|
||||
const char github_io_chain_pem_third [] PROGMEM = R"CERT(
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIDjjCCAnagAwIBAgIQAzrx5qcRqaC7KGSxHQn65TANBgkqhkiG9w0BAQsFADBh
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
1x7e/dfgy5SDN67sH0NO3Xss0r0upS/kqbitOtSZpLYl6ZtrAGCSYP9PIUkY92eQ
|
||||
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|
||||
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|
||||
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|
||||
BgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBhjAdBgNVHQ4EFgQUTiJUIBiV
|
||||
5uNu5g/6+rkS7QYXjzkwDQYJKoZIhvcNAQELBQADggEBAGBnKJRvDkhj6zHd6mcY
|
||||
1Yl9PMWLSn/pvtsrF9+wX3N3KjITOYFnQoQj8kVnNeyIv/iPsGEMNKSuIEyExtv4
|
||||
NeF22d+mQrvHRAiGfzZ0JFrabA0UWTW98kndth/Jsw1HKj2ZL7tcu7XUIOGZX1NG
|
||||
Fdtom/DzMNU+MeKNhJ7jitralj41E6Vf8PlwUHBHQRFXGU7Aj64GxJUTFy8bJZ91
|
||||
8rGOmaFvE7FBcf6IKshPECBV1/MUReXgRPTqh5Uykw7+U0b6LJ3/iyK5S9kJRaTe
|
||||
pLiaWN0bfVKfjllDiIGknibVb63dDcY3fe0Dkhvld1927jyNxF1WW6LZZm6zNTfl
|
||||
MrY=
|
||||
-----END CERTIFICATE-----
|
||||
)CERT";
|
||||
@@ -0,0 +1,119 @@
|
||||
// Display Library example for SPI e-paper panels from Dalian Good Display and boards from Waveshare.
|
||||
// Requires HW SPI and Adafruit_GFX. Caution: the e-paper panels require 3.3V supply AND data lines!
|
||||
//
|
||||
// Display Library based on Demo Example from Good Display: https://www.good-display.com/companyfile/32/
|
||||
//
|
||||
// Author: Jean-Marc Zingg
|
||||
//
|
||||
// Version: see library.properties
|
||||
//
|
||||
// Library: https://github.com/ZinggJM/GxEPD2
|
||||
|
||||
// Supporting Arduino Forum Topics (closed, read only):
|
||||
// Good Display ePaper for Arduino: https://forum.arduino.cc/t/good-display-epaper-for-arduino/419657
|
||||
// Waveshare e-paper displays with SPI: https://forum.arduino.cc/t/waveshare-e-paper-displays-with-spi/467865
|
||||
//
|
||||
// Add new topics in https://forum.arduino.cc/c/using-arduino/displays/23 for new questions and issues
|
||||
|
||||
// mapping of Good Display Arduino UNO Development Kit DEArduino-L, e.g. to DESPI-C02
|
||||
// BUSY -> 4, RES -> 5, D/C -> 6, CS-> 7, SCK -> 13, SDI -> 11
|
||||
|
||||
// mapping of Good Display ESP8266 Development Kit ESP8266-L, e.g. to DESPI-C02
|
||||
// BUSY -> GPIO16, RES -> GPIO5, D/C -> GPIO4, CS-> GPIO2, SCK -> GPIO14, SDI -> GPIO13
|
||||
|
||||
// mapping of Good Display ESP32 Development Kit ESP32-L, e.g. to DESPI-C02
|
||||
// BUSY -> GPIO13, RES -> GPIO12, D/C -> GPIO14, CS-> GPIO27, SCK -> GPIO18, SDI -> GPIO23
|
||||
|
||||
// mapping of Good Display STM32 Development Kit DESPI-L, e.g. to DESPI-C02
|
||||
// BUSY -> PE13, RES -> PE14, D/C -> PE14, CS-> PD8, SCK -> PD9, SDI -> PD10
|
||||
// needs jumpers from PA5 (PIN_SPI_SCK) to SCK for EPD and PA7 (PIN_SPI_MOSI) to SDI for EPD. PD9 and PD10 are not HW SPI capable.
|
||||
// BUSY -> PE13, RES -> PE14, D/C -> PE14, CS-> PD8, SCK -> PA5, SDI -> PA7 // for HW SPI with GxEPD2
|
||||
|
||||
// connection suggestions concerning Waveshare e-paper HAT Rev 2.3:
|
||||
// DON'T FORGET to connect the PWR pin to VCC, to enable power to the board.
|
||||
// RST is no longer used to disable power to the board, as with earlier revisions.
|
||||
// Note, for 3.3V processors, no level converters are needed. Use DESPI-C02 instead. Uses less power.
|
||||
// See https://www.buyepaper.com/products/development-kit-connection-adapter-board-for-eaper-display-demo-kit
|
||||
|
||||
// mapping suggestion from Waveshare SPI e-Paper to Wemos D1 mini
|
||||
// BUSY -> D2, RST -> D4, DC -> D3, CS -> D8, CLK -> D5, DIN -> D7, GND -> GND, 3.3V -> 3.3V
|
||||
// NOTE: connect 3.3k pull-down from D8 to GND if your board or shield has level converters
|
||||
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, use different pin in case, or 3.3k pull-down
|
||||
// NOTE: connect 1k pull-up from D4 (RST) to 3.3V if your board or shield has the "clever" reset circuit, or use a different pin
|
||||
|
||||
// mapping suggestion from Waveshare SPI e-Paper to generic ESP8266
|
||||
// BUSY -> GPIO4, RST -> GPIO2, DC -> GPIO0, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
|
||||
// NOTE: connect 3.3k pull-down from GPIO15 to GND if your board or shield has level converters
|
||||
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, use different pin in case, or 3.3k pull-down
|
||||
// NOTE: connect 1k pull-up from GPIO2 (RST) to 3.3V if your board or shield has the "clever" reset circuit, or use a different pin
|
||||
|
||||
// mapping of Waveshare e-Paper ESP8266 Driver Board, new version
|
||||
// BUSY -> GPIO5, RST -> GPIO2, DC -> GPIO4, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
|
||||
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, add a 3.3k pull-down in case
|
||||
// the e-Paper ESP8266 Driver Board should have no boot mode issue, as it doesn't use level converters
|
||||
|
||||
// mapping of Waveshare e-Paper ESP8266 Driver Board, old version
|
||||
// BUSY -> GPIO16, RST -> GPIO5, DC -> GPIO4, CS -> GPIO15, CLK -> GPIO14, DIN -> GPIO13, GND -> GND, 3.3V -> 3.3V
|
||||
// NOTE for ESP8266: using SS (GPIO15) for CS may cause boot mode problems, add a 3.3k pull-down in case
|
||||
// the e-Paper ESP8266 Driver Board should have no boot mode issue, as it doesn't use level converters
|
||||
|
||||
// mapping suggestion for ESP32, e.g. LOLIN32, see .../variants/.../pins_arduino.h for your board
|
||||
// NOTE: there are variants with different pins for SPI ! CHECK SPI PINS OF YOUR BOARD
|
||||
// BUSY -> 4, RST -> 16, DC -> 17, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
|
||||
|
||||
// mapping of Waveshare ESP32 Driver Board
|
||||
// BUSY -> 25, RST -> 26, DC -> 27, CS-> 15, CLK -> 13, DIN -> 14
|
||||
// NOTE: this board uses "unusual" SPI pins and requires re-mapping of HW SPI to these pins in SPIClass
|
||||
// see example GxEPD2_WS_ESP32_Driver.ino, it shows how this can be done easily
|
||||
|
||||
// mapping suggestion for ESP32, e.g. LOLIN32 D32 PRO
|
||||
// BUSY -> 15, RST -> 2, DC -> 0, CS -> 5, CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
|
||||
// note: use explicit value for CS, as SS is re-defined to TF_CS(4) in pins_arduino.h for Board: "LOLIN D32 PRO"
|
||||
|
||||
// mapping suggestion for ESP32, e.g. TTGO T8 ESP32-WROVER
|
||||
// BUSY -> 4, RST -> 0, DC -> 2, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
|
||||
// for use with Board: "ESP32 Dev Module":
|
||||
|
||||
// mapping suggestion for ESP32S2, e.g. LOLIN ESP32 S2 mini, direct connection of DESPI-C02
|
||||
// BUSY -> 39, RST -> 37, DC -> 35, CS -> 33, CLK -> 18, DIN -> 16, GND -> GND, 3.3V -> 3.3V
|
||||
// for use with Board: "LOLIN S2 MINI":
|
||||
|
||||
// new mapping suggestion for STM32F1, e.g. STM32F103C8T6 "BluePill"
|
||||
// BUSY -> A1, RST -> A2, DC -> A3, CS-> A4, CLK -> A5, DIN -> A7
|
||||
|
||||
// mapping suggestion for AVR, UNO, NANO etc.
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 13, DIN -> 11
|
||||
|
||||
// mapping suggestion for AVR, Arduino Micro, Leonardo
|
||||
// note: on Leonardo board HW SPI pins are on 6-pin ICSP header
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 15, DIN -> 16
|
||||
|
||||
// mapping of Waveshare Universal e-Paper Raw Panel Driver Shield for Arduino / NUCLEO
|
||||
// BUSY -> 7, RST -> 8, DC -> 9, CS-> 10, CLK -> 13, DIN -> 11
|
||||
|
||||
// mapping suggestion for Arduino MEGA
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 53, CLK -> 52, DIN -> 51
|
||||
|
||||
// mapping suggestion for Arduino DUE, note: pin 77 is on board pin 10, SS is 10
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 76, DIN -> 75
|
||||
// SPI pins are on 6 pin 2x3 SPI header, no SS on SPI header!
|
||||
|
||||
// mapping suggestion for Arduino MKR1000 or MKRZERO
|
||||
// note: can't use SS on MKR1000: is defined as 24, should be 4
|
||||
// BUSY -> 5, RST -> 6, DC -> 7, CS-> 4, CLK -> 9, DIN -> 8
|
||||
|
||||
// mapping suggestion for Arduino Nano RP2040 Connect (Arduino MBED OS Nano Boards)
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 10, CLK -> 13, DIN -> 11
|
||||
|
||||
// mapping suggestion for Raspberry Pi Pico RP2040 (Arduino MBED OS RP2040 Boards)
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 5, CLK -> 18, DIN -> 19
|
||||
|
||||
// mapping of my proto board for Raspberry Pi Pico RP2040 (previous default SPI pins)
|
||||
// BUSY -> 7, RST -> 9, DC -> 8, CS-> 5, CLK -> 2, DIN -> 3
|
||||
|
||||
// mapping of my new proto board like Waveshare Pico-ePaper-2.9
|
||||
// needs 10k pull-up on RST when used with Arduino MBED OS RP2040 Boards
|
||||
// BUSY -> 13, RST -> 12, DC -> 8, CS-> 9, CLK -> 10, DIN -> 11
|
||||
|
||||
// mapping of Waveshare Pico-ePaper-2.9
|
||||
// BUSY -> 13, RST -> 12, DC -> 8, CS-> 9, CLK -> 10, DIN -> 11
|
||||
Reference in New Issue
Block a user